The server encountered an internal
error or misconfiguration and was unable to complete your request.
Please contact the server
administrator, root@localhost and inform them of the time the error
occurred, and anything you might have done that may have caused the
error.
More information about this error may
be available in the server error log.
Apache/2.2.15 (CentOS) Server at
127.0.0.1 Port 80

List of commonly used most popular secure ports, SSL (Secure Sockets Layer) is industry standard security Technology, its create encrypted link between server and client end.All data transection would be in secure format.

Thursday, 2 May 2013

[root@node01 ~]# ssh-keygenGenerating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /root/.ssh/id_rsa.Your public key has been saved in /root/.ssh/id_rsa.pub.The key fingerprint is:56:37:86:ac:0c:23:04:0a:e8:b9:e6:65:b3:36:09:cd root@node01

[hyperic@localhost hyperic]$cd /home/hyperic
[hyperic@localhost hyperic]$tar xvzf hyperic-hq-agent-4.6.6-x86-64-linux.tar
[hyperic@localhost hyperic]$cd hyperic-hq-agent-4.6.6
[hyperic@localhost hyperic]$ hyperic-hq-agent-4.6.6/bin/hq-agent.sh start
Starting HQ Agent…… running (15321).
[ Running agent setup ]
What is the HQ server IP address: X.X.X.X
Should Agent communications to HQ always be secure [default=yes]: no
What is the HQ server port [default=7080]:
- Testing insecure connection … Success
What is your HQ login [default=hqadmin]:
What is your HQ password:
What IP should HQ use to contact the agent [default=X.X.X.X]:
What port should HQ use to contact the agent [default=2144]:
- Received temporary auth token from agent
- Registering agent with HQ
The server to agent communication channel is using a self-signed certificate and could not be verified
Are you sure you want to continue connecting? [default=no]: yes
- HQ gave us the following agent token
1360144691845-4091702170031910652-5637611738788352140
- Informing agent of new HQ server
- Validating
- Successfully setup agent
[hyperic@localhost hyperic]$
if you have facing any problem on installation time, please update us…….

Error on apache startup
[root@localhost ~]# service httpd start
Starting httpd: httpd: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName
[ OK ]
[root@localhost ~]# Starting httpd: httpd: Could not reliably determine
the server’s fully qualified domain name, using 127.0.0.1 for ServerNameSolution : Edit httpd.conf file and add ServerName 127.0.0.1 and save with :wq! ,
[root@localhost objects]# vi /etc/httpd/conf/httpd.conf
# as error documents. e.g. admin@your-domain.com
#
ServerAdmin root@localhost
#
# ServerName gives the name and port that the server uses to identify itself.
# This can often be determined automatically, but we recommend you specify
# it explicitly to prevent problems during startup.
#
# If this is not set to valid DNS name for your host, server-generated
# redirections will not work. See also the UseCanonicalName directive.
#
# If your host doesn’t have a registered DNS name, enter its IP address here.
# You will have to access it by its address anyway, and this will make
# redirections work in a sensible way.
#
#ServerName www.example.com:80ServerName 127.0.0.1
save with :wq!
[root@localhost objects]#
[root@localhost objects]# service httpd restart
Stopping httpd: [ OK ]
Starting httpd: [ OK ]
[root@localhost objects]#

Make
a file with name of workers.properties in conf folder. This file tells
properties of all tomcat instances. We have to specify all tomcat
properties here. Apache will forword request to tomcat through this file